import axios from 'axios';
import { Message, MessageBox } from 'element-ui';
import store from '../store';
import { getToken } from '@/utils/auth';

// 创建axios实例
const service = axios.create({
    baseURL: process.env.BASE_API, // api的base_url
    timeout: 15000 // 请求超时时间
});

// request拦截器
service.interceptors.request.use(
    config => {
        if (store.getters.token) {
            config.headers['Authorization'] = getToken(); // 让每个请求携带自定义token
        }
        return config;
    },
    error => {
        // Do something with request error
        console.log(error); // for debug
        Promise.reject(error);
    }
);

// respone拦截器
// TODO our own interceptors
service.interceptors.response.use(
    response => {
        /**
         * status为非200是抛错
         */
        if (response.status !== 200) {
            Message({
                message: response.statusText,
                type: 'error',
                duration: 3 * 1000
            });

            return Promise.reject('response interceptors status !== 200');
        } else if (response.status === 200 && response.data.code === '401') {
            // 401:未登录;
            MessageBox.confirm('你已被登出，可以取消继续留在该页面，或者重新登录', '确定登出', {
                confirmButtonText: '重新登录',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                store.dispatch('FedLogOut').then(() => {
                    location.reload(); // 为了重新实例化vue-router对象 避免bug
                });
            });
        } else {
            return response;
        }
    },
    error => {
        console.log('err' + error); // for debug
        Message({
            message: error.message,
            type: 'error',
            duration: 3 * 1000
        });
        return Promise.reject(error);
    }
);

export default service;
